-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting\r
- documentation, and that the name of the author not be used in\r
- advertising or publicity pertaining to distribution of the\r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-#include "../LowLevel/USBMode.h"\r
-\r
-#define INCLUDE_FROM_USBTASK_C\r
-#include "USBTask.h"\r
-\r
-volatile bool USB_IsSuspended;\r
-volatile bool USB_IsConnected;\r
-volatile bool USB_IsInitialized;\r
-\r
-#if defined(USB_CAN_BE_HOST)\r
-volatile uint8_t USB_HostState;\r
-#endif\r
-\r
-TASK(USB_USBTask)\r
-{\r
- #if defined(USB_HOST_ONLY)\r
- USB_HostTask();\r
- #elif defined(USB_DEVICE_ONLY)\r
- USB_DeviceTask();\r
- #else\r
- if (USB_CurrentMode == USB_MODE_DEVICE)\r
- USB_DeviceTask();\r
- else if (USB_CurrentMode == USB_MODE_HOST)\r
- USB_HostTask();\r
- #endif\r
-}\r
-\r
-#if defined(USB_CAN_BE_DEVICE)\r
-static void USB_DeviceTask(void)\r
-{\r
- if (USB_IsConnected)\r
- {\r
- uint8_t PrevEndpoint = Endpoint_GetCurrentEndpoint();\r
- \r
- Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);\r
-\r
- if (Endpoint_IsSetupReceived())\r
- {\r
- ATOMIC_BLOCK(ATOMIC_RESTORESTATE)\r
- {\r
- USB_Device_ProcessControlPacket();\r
- }\r
- }\r
- \r
- Endpoint_SelectEndpoint(PrevEndpoint);\r
- }\r
-}\r
-#endif\r
-\r
-#if defined(USB_CAN_BE_HOST)\r
-static void USB_HostTask(void)\r
-{\r
- uint8_t ErrorCode = HOST_ENUMERROR_NoError;\r
- uint8_t SubErrorCode = HOST_ENUMERROR_NoError;\r
- \r
- static uint16_t WaitMSRemaining;\r
- static uint8_t PostWaitState;\r
-\r
- switch (USB_HostState)\r
- {\r
- case HOST_STATE_WaitForDevice:\r
- if (WaitMSRemaining)\r
- {\r
- if ((SubErrorCode = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)\r
- {\r
- USB_HostState = PostWaitState;\r
- ErrorCode = HOST_ENUMERROR_WaitStage;\r
- break;\r
- }\r
- \r
- WaitMSRemaining--;\r
- }\r
- else\r
- {\r
- USB_HostState = PostWaitState;\r
- }\r
- \r
- break;\r
- case HOST_STATE_Attached:\r
- WaitMSRemaining = HOST_DEVICE_SETTLE_DELAY_MS;\r
- \r
- USB_HostState = HOST_STATE_Attached_WaitForDeviceSettle;\r
- break;\r
- case HOST_STATE_Attached_WaitForDeviceSettle:\r
- _delay_ms(1);\r
-\r
- if (!(WaitMSRemaining--))\r
- {\r
- USB_Host_VBUS_Manual_Off();\r
-\r
- USB_OTGPAD_On();\r
- USB_Host_VBUS_Auto_Enable();\r
- USB_Host_VBUS_Auto_On();\r
- \r
- USB_HostState = HOST_STATE_Attached_WaitForConnect;\r
- }\r
- \r
- break;\r
- case HOST_STATE_Attached_WaitForConnect: \r
- if (USB_INT_HasOccurred(USB_INT_DCONNI))\r
- { \r
- USB_INT_Clear(USB_INT_DCONNI);\r
- USB_INT_Clear(USB_INT_DDISCI);\r
-\r
- USB_INT_Clear(USB_INT_VBERRI);\r
- USB_INT_Enable(USB_INT_VBERRI);\r
-\r
- USB_IsConnected = true;\r
- RAISE_EVENT(USB_Connect);\r
- \r
- USB_Host_ResumeBus();\r
- Pipe_ClearPipes();\r
- \r
- HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Attached_DoReset);\r
- }\r
-\r
- break;\r
- case HOST_STATE_Attached_DoReset:\r
- USB_Host_ResetDevice();\r
-\r
- HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Powered);\r
- break;\r
- case HOST_STATE_Powered:\r
- Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL,\r
- PIPE_TOKEN_SETUP, PIPE_CONTROLPIPE,\r
- PIPE_CONTROLPIPE_DEFAULT_SIZE, PIPE_BANK_SINGLE); \r
- \r
- if (!(Pipe_IsConfigured()))\r
- {\r
- ErrorCode = HOST_ENUMERROR_PipeConfigError;\r
- SubErrorCode = 0;\r
- break;\r
- }\r
-\r
- USB_HostState = HOST_STATE_Default;\r
- break;\r
- case HOST_STATE_Default:\r
- USB_HostRequest = (USB_Host_Request_Header_t)\r
- {\r
- bmRequestType: (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE),\r
- bRequest: REQ_GetDescriptor,\r
- wValue: (DTYPE_Device << 8),\r
- wIndex: 0,\r
- wLength: PIPE_CONTROLPIPE_DEFAULT_SIZE,\r
- };\r
-\r
- uint8_t DataBuffer[PIPE_CONTROLPIPE_DEFAULT_SIZE];\r
-\r
- if ((SubErrorCode = USB_Host_SendControlRequest(DataBuffer)) != HOST_SENDCONTROL_Successful)\r
- {\r
- ErrorCode = HOST_ENUMERROR_ControlError;\r
- break;\r
- }\r
-\r
- #if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)\r
- USB_ControlPipeSize = DataBuffer[offsetof(USB_Descriptor_Device_t, Endpoint0Size)];\r
- #else\r
- USB_ControlPipeSize = DataBuffer[offsetof(USB_Descriptor_Device_t, bMaxPacketSize0)]; \r
- #endif\r
- \r
- USB_Host_ResetDevice();\r
- \r
- HOST_TASK_NONBLOCK_WAIT(200, HOST_STATE_Default_PostReset);\r
- break;\r
- case HOST_STATE_Default_PostReset:\r
- Pipe_DisablePipe();\r
- Pipe_DeallocateMemory(); \r
- Pipe_ResetPipe(PIPE_CONTROLPIPE);\r
- \r
- Pipe_ConfigurePipe(PIPE_CONTROLPIPE, EP_TYPE_CONTROL,\r
- PIPE_TOKEN_SETUP, PIPE_CONTROLPIPE,\r
- USB_ControlPipeSize, PIPE_BANK_SINGLE);\r
-\r
- if (!(Pipe_IsConfigured()))\r
- {\r
- ErrorCode = HOST_ENUMERROR_PipeConfigError;\r
- SubErrorCode = 0;\r
- break;\r
- }\r
-\r
- Pipe_SetInfiniteINRequests();\r
- \r
- USB_HostRequest = (USB_Host_Request_Header_t)\r
- {\r
- bmRequestType: (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
- bRequest: REQ_SetAddress,\r
- wValue: USB_HOST_DEVICEADDRESS,\r
- wIndex: 0,\r
- wLength: 0,\r
- };\r
-\r
- if ((SubErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
- {\r
- ErrorCode = HOST_ENUMERROR_ControlError;\r
- break;\r
- }\r
-\r
- HOST_TASK_NONBLOCK_WAIT(100, HOST_STATE_Default_PostAddressSet);\r
- break;\r
- case HOST_STATE_Default_PostAddressSet:\r
- USB_Host_SetDeviceAddress(USB_HOST_DEVICEADDRESS);\r
-\r
- RAISE_EVENT(USB_DeviceEnumerationComplete);\r
- USB_HostState = HOST_STATE_Addressed;\r
-\r
- break;\r
- }\r
-\r
- if ((ErrorCode != HOST_ENUMERROR_NoError) && (USB_HostState != HOST_STATE_Unattached))\r
- {\r
- RAISE_EVENT(USB_DeviceEnumerationFailed, ErrorCode, SubErrorCode);\r
-\r
- USB_Host_VBUS_Auto_Off();\r
-\r
- RAISE_EVENT(USB_DeviceUnattached);\r
- \r
- if (USB_IsConnected)\r
- RAISE_EVENT(USB_Disconnect);\r
-\r
- USB_ResetInterface();\r
- }\r
-}\r
-#endif\r
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+#define __INCLUDE_FROM_USBTASK_C
+#define __INCLUDE_FROM_USB_DRIVER
+#include "USBTask.h"
+
+volatile bool USB_IsInitialized;
+USB_Request_Header_t USB_ControlRequest;
+
+#if defined(USB_CAN_BE_HOST) && !defined(HOST_STATE_AS_GPIOR)
+volatile uint8_t USB_HostState;
+#endif
+
+#if defined(USB_CAN_BE_DEVICE) && !defined(DEVICE_STATE_AS_GPIOR)
+volatile uint8_t USB_DeviceState;
+#endif
+
+void USB_USBTask(void)
+{
+ #if defined(USB_HOST_ONLY)
+ USB_HostTask();
+ #elif defined(USB_DEVICE_ONLY)
+ USB_DeviceTask();
+ #else
+ if (USB_CurrentMode == USB_MODE_DEVICE)
+ USB_DeviceTask();
+ else if (USB_CurrentMode == USB_MODE_HOST)
+ USB_HostTask();
+ #endif
+}
+
+#if defined(USB_CAN_BE_DEVICE)
+static void USB_DeviceTask(void)
+{
+ if (USB_DeviceState != DEVICE_STATE_Unattached)
+ {
+ uint8_t PrevEndpoint = Endpoint_GetCurrentEndpoint();
+
+ Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
+
+ if (Endpoint_IsSETUPReceived())
+ USB_Device_ProcessControlRequest();
+
+ Endpoint_SelectEndpoint(PrevEndpoint);
+ }
+}
+#endif
+
+#if defined(USB_CAN_BE_HOST)
+static void USB_HostTask(void)
+{
+ uint8_t PrevPipe = Pipe_GetCurrentPipe();
+
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);
+
+ USB_Host_ProcessNextHostState();
+
+ Pipe_SelectPipe(PrevPipe);
+}
+#endif
projects / pub / USBasp.git / blobdiff